;
(function () {//解决不同手机dpr不一致的适配问题(解决了1px的问题)
  var scale = 1.0;
  if (window.devicePixelRatio === 2) {
    scale *= 0.5;
  }
  if (window.devicePixelRatio === 3) {
    scale *= 0.333333;
  }
  var meta = document.createElement('meta');
  meta.setAttribute('name', 'viewport');
  meta.setAttribute('content', 'initial-scale=' + scale + ', maximum-scale=' + scale + ', minimum-scale=' + scale + ', user-scalable=no');
  document.head.appendChild(meta);
})();
(function (doc, win) {//解决不同手机分辨率不一致的适配问题
  var docEl = "";
  docEl = doc.documentElement, resizeEvt = "orientationchange" in window ? "orientationchange" : "resize", recalc = function () {
    var clientWidth = docEl.clientWidth;
    if (!clientWidth) {
      return
    } else {
      if (clientWidth > 1280) {
        docEl.style.fontSize = 170.66 + "px"
      } else {
        if (clientWidth < 640) {
          docEl.style.fontSize = 85.33 + "px"
        } else {
          if (clientWidth <= 1280 || clientWidth >= 640) {
            docEl.style.fontSize = (clientWidth / 750) * 100 + "px"
          }
        }
      }
    }
  };
  if (!doc.addEventListener) {
    return
  }
  win.addEventListener(resizeEvt, recalc, false);
  doc.addEventListener("DOMContentLoaded", recalc, false)
})(document, window);